Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| With Balance Shaft | ||||
| One Cylinder | ||||
| Right Bank | 2.3 | 1.7 | B | |
| Left Bank | 2.3 | 1.7 | B | |
| Both Banks | 3.7 | 2.6 | B | |
| All Cylinders | ||||
| Right Bank | 3.7 | 2.6 | B | |
| Left Bank | 3.7 | 2.6 | B | |
| Both Banks | 6.1 | 4.0 | B | |
| Note | ||||
| With AC, Add | ||||
| Left or Both | ||||
| Front | 0.6 | 0.5 | B | |
| Front and Rear | 1.6 | 1.2 | B | |
| With Cruise, Add | ||||
| Left or Both | 0.1 | 0.1 | B | |
| Without Balance Shaft | ||||
| One Cylinder | ||||
| Right Bank | 2.1 | 1.5 | B | |
| Left Bank | 2.1 | 1.5 | B | |
| Both Banks | 3.5 | 2.4 | B | |
| All Cylinders | ||||
| Right Bank | 3.5 | 2.4 | B | |
| Left Bank | 3.5 | 2.4 | B | |
| Both Banks | 5.2 | 3.8 | B | |
| Note | ||||
| With AC, Add | ||||
| Left or Both | ||||
| Front | 0.6 | 0.5 | B | |
| Front and Rear | 1.6 | 1.2 | B | |
| With Cruise, Add | ||||
| Left or Both | 0.1 | 0.1 | B |